Marsh Bent-wing
Common NameMarsh Bent-wing
Scientific NameOstrinia palustralis
FamilyCrambidae
SubfamilySpilomelinae
Wingspan (mm)25
Wing Patternstriped
Primary Colorsyellow, orange, reddish-brown
HabitatMarshes, fens, wet meadows, damp areas
Geographic RangeEurope, parts of Asia
Host PlantsRumex hydrolapathum, Rumex spp.
Flight PeriodMay to July, August to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are stem borers, feeding within the stems of host plants, primarily water dock and other Rumex species. Pupation occurs inside the stem, and the species overwinters as a larva.
Identification TipsDistinguished by its vivid yellow-orange and reddish-brown patterned forewings, particularly the broad, somewhat wavy central band. Its preference for wetland habitats with Rumex host plants is also a key indicator.
Description
A small moth with bright yellow-orange forewings strikingly marked with broad, irregular reddish-brown bands and patches, giving it a vibrant appearance.
